Module 11 Statistics Review

To determine what apartment renters want the manager randomly surveyed eight renters in each of the six buildings in the complex. What type of sample would this be?

• simple random

• convenience sample

• voluntary response

• systematic random

• stratified random

To determine the way students travel to school each morning Mrs. Jackson stood on the eighth grade hallway Monday morning. As students went down the eighth grade hall she asked students how they got to school.

• simple random

• convenience

• systematic

• voluntary response

• stratified

To determine what subject is the favorite of students at WMS Mrs. Wardlaw stands at the cafeteria door and asks every 10th student during their lunch period.

• simple random

• convenience

• systematic

• voluntary response

• stratified

To evaluate customer satisfaction, a grocery store gives out coupons to anyone who completes an online survey about their shopping experience.

• simple random

• convenience

• systematic

• voluntary response

• stratified

To determine the favorite hobby of middle school students the principal divided students into grades 6th, 7th, and 8th. He then chose 10 random students in each grade to survey.

• simple random

• convenience

• systematic

• voluntary response

• stratified

Is the following sample valid and if so which type of sampling method was used? Bob surveys his five best friends to find out the favorite video game of middle school students.

• no, invalid (convenience sample)

• yes, valid (systematic random)

• yes, valid (simple random)

• no, invalid (voluntary response)

• yes, valid (stratified)

A survey showed that 70% of students would select roller coasters as their favorite ride at an amusement park. Out of 5,000 students, predict how many would select roller coasters as their favorite ride?

• 3,500

• 1,500

• 350

• 150

Tags

CCSS.6.RP.A.3C

A survey found that 3 out of 7 people in a community job on a regularly. If there are 3,150 people in the community, what is a reasonable prediction for the number of people who would jog regularly?

• 1,050

• 1,350

• 1,575

• 1,800

Tags

CCSS.6.RP.A.3B

The circle graph shows the results of a class survey. If 30 students were surveyed how many said their favorite pet is a lizard?

• 3

• 333

• 9

• 90

Students were surveyed about their favorite type of book. 25% of students said their favorite book was mystery. If there are 250 students in the school, predict how many would choose mystery as their favorite book?

• 25

• 10

• 63

• 1,000

Tags

CCSS.6.RP.A.3C